Sigil typo in MixHash example

Author: jalbertcruz

doc/Language/subscripts.pod6

@@ -90,7 +90,7 @@ of the default C<Hash>.  Not all types of hashes or collections
 do so:
 
     my %h := MixHash.new;
-    $h{pi} = 1; %h.perl.say;         #-> (3.14159265358979e0=>1).MixHash
+    %h{pi} = 1; %h.perl.say;         #-> (3.14159265358979e0=>1).MixHash
 
 (Any name that C<< => >> would convert to a string can also be used to build
 a pair using "adverbial notation" and will appear that way when viewed